#define _CRT_SECURE_NO_WARNINGS 1
#include<stdio.h>
int main() {
	int n;
	while (scanf("%d", &n) != EOF) {
		for (int i = 1; i <= n + 1; i++) {
			for (int j = 1; j <= n + 1 - i; j++) {
				printf(" ");
				}
			for (int k = 1; k <= i; k++) {
				printf("* ");
			}
			printf("\n");
		}
		for (int i = 1; i <= n; i++) {
			for (int j = 1; j <= i; j++) {
				printf(" ");
			}
			for (int k = 1; k <= n + 1 - i; k++) {
				printf("* ");
			}
			printf("\n");
		}
	}
	return 0;
}